ovule
常見例句
- Nutrients pass through the funicle to the ovule and seed.
營養(yǎng)物質(zhì)通過珠柄傳遞到胚珠和種子。 - Once the egg is fertilized, the ovule becomes a seed, and the whole ovary becomes a fruit.
一旦受精卵形成，胚珠就變成一顆種子，整個(gè)子房就變成一個(gè)水果。 - Whereas animal-pollinated plants produce a median of 3, 450 pollen grains for every ovule, wind-pollinated plants produce almost 10 times as much.
蟲媒傳粉的植物平均每個(gè)胚珠生産約3450?；ǚ?，風(fēng)媒傳粉的植物生産的花粉幾乎是這個(gè)數(shù)量的十倍。 返回 ovule